Specifications

Applied to the drilling where rock formation is overburden and need casing tube to support.
Certificate: ISO9001:2008, SONCAP.

Application Range

It is suitable for drilling water wells,geothermal wells, short mircopiles medium mini-type grouting hole of building, dam and harbour project.

Design Principles

 Make the casing follow easy and the equipment and operation simple 

Outstanding Advantages

Simple structure,simple operation,reliable quality,retrievable drilling tools,long service life and flexible to open and close.

Specifications

A	B	C	D	E	F
Outer Dia. of  Casing Tube	Inner Dia.of  Casing Tube	Reamed Dia.	Min. Inner Dia of  Casing Shoe	Hammer Type	Drill Pipes
mm	mm	mm	mm		mm
178	159-165	188	144	TH122	76,89
219	204-207	240	192	TH139,TH180	114
273	253-257	305	238	TH180,TH220	114,127
323	299-303	360	284	TH220	127